Home / 148,634.06-205,285.36-97,873.72

Finding the Fourth Proportional to 148,634.06, 205,285.36 and 97,873.72

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Solution

The fourth proportional to 148,634.06, 205,285.36 and 97,873.72 is: 135,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,634.06 : 205,285.36 = 97,873.72 : x
  2. Step 2: Convert to fraction form
    148,634.06/205,285.36 = 97,873.72/x
  3. Step 3: Cross multiply
    148,634.06x = 205,285.36 × 97,873.72
  4. Step 4: Simplify right side
    148,634.06x = 20,092,041,844.74
  5. Step 5: Solve for x
    x = 20,092,041,844.74/148,634.06
  6. Step 6: Final answer
    x = 135,177.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.